From: John Maddock (john_at_[hidden])
Date: 2008-01-27 13:46:22


Eric Niebler wrote:
>> Boost.regex: 6.859
>> Boost.xpressive (dynamic): 3.02
>> Boost.xpressive (static): 2.912
>>
>> With boost.regex, I couldn't use an independent subexpression
>> because it
>> disables the optimization. That accounts for the difference.

I've just extended the optimization to more cases in Boost.Regex (SVN
Trunk), so the two libraries should be back on a par now performance wise (I
hope!)

Cheers, John.